Signs of traumatic shock include weak and rapid pulse, shallow and rapid breathing, and pale, cool, clammy skin
Root shock is the traumatic stress reaction to the loss of some or all of one's emotional ecosystem. ...
you'r probably thinking of shell shock or grenade shock. A post traumatic disorder probably.
The root word is "trauma", from Middle English meaning "shock" or "injury". Words from it are "traumatic", which you listed, and "traumatize".
Low blood pressure.
Lay the person down and elevate their feet.
The psychological problem known in WW I as shell shock is today known as post traumatic stress disorder.
Jacob Fine has written: 'The bacterial factor in traumatic shock' -- subject(s): Medical bacteriology, Shock, Traumatism